865056420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{9631}}^1$

素因数の和:10145

約数の個数: 72

約数和(自身を含む): 2629536000

約数和(自身を除く): 1764479580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 7485, 8982, 9631, 9980, 14970, 17964, 19262, 22455, 28893, 29940, 38524, 44910, 48155, 57786, 86679, 89820, 96310, 115572, 144465, 173358, 192620, 288930, 346716, 433395, 577860, 866790, 1733580, 4805869, 9611738, 14417607, 19223476, 24029345, 28835214, 43252821, 48058690, 57670428, 72088035, 86505642, 96117380, 144176070, 173011284, 216264105, 288352140, 432528210, 865056420]

約数ペア:

[(1, 865056420), (2, 432528210), (3, 288352140), (4, 216264105), (5, 173011284), (6, 144176070), (9, 96117380), (10, 86505642), (12, 72088035), (15, 57670428), (18, 48058690), (20, 43252821), (30, 28835214), (36, 24029345), (45, 19223476), (60, 14417607), (90, 9611738), (180, 4805869), (499, 1733580), (998, 866790), (1497, 577860), (1996, 433395), (2495, 346716), (2994, 288930), (4491, 192620), (4990, 173358), (5988, 144465), (7485, 115572), (8982, 96310), (9631, 89820), (9980, 86679), (14970, 57786), (17964, 48155), (19262, 44910), (22455, 38524), (28893, 29940)]